TMA1/BIO212

My TMA Home TMA Results My Pending TMA Quick Help TMA Quiz Questions TMA: TMA1/BIO212 SCORE:  9.00 BIO212 - HELMINTHOLOGY Dr. Olaniyi Omolara (oolaniyi@noun.edu.ng ) 1 Which of the following is not an association among animals? Parasites Mutualism Commensalism Symbiosis 2 The association between termites and the flagellate protozoa in the gut of the termites is an example of symbiont mutualistic symbiosis prasitism 3 What is Phoresis? A form of commensalism A form of symbiosis A form of commensalism A form of parasitoid 4 An association where associates benefit when in association is Parasites Mutualism Commensalism Symbiosis 5 An association where neither organism is dependent on the other for existence, but only one of the partners benefits from the association affected is referred to as ________ Parasitism Mutualism Symbiosis Commensalism 6 How does commensalism differ from parasitism? In commensalism, the partners in the relationship do not benefit from each other while in parasitism, it is a beneficial relationship for both parties In commensalism, one party benefits while in parasitism both parties derive mutual benefits in the association Both association types are completely the same, there is no difference In commensalism, one partner benefits fromwhile the other is not 7 Parasitology refers only to the study of infection with invertebrate metazoan parasites and eukaryotic protozoan infection with bacteria and viruses  invertebrate metazoan parasites infection with bacteria the higher chordate parasites 8 In _____ association, both organisms are dependent on each other, while in _________ the organisms may not be dependent on each other for their existence, but both benefit when they are associated. symiotic, mutualism mutualistic, symbiosis symbiosis, mutualism mutualism, mutualistic 9 _____ are examples of obligate parasites and parasites that cause diseases are often referred to as ____ fungi; facultative parasites bacteria; endosymbionts Viruses; pathogenic parasites Endoparasites; ectocommensals 10 A coprozoic or spurious parasite has has successfully passed through the alimentary canal of the host is a parasite that has passed through the alimentary tract of an animal host without infecting that host depends upon the host for predigested food a parasite that has no optimal temperature range for its existence and development 11 Where does a parasite's sexual cycle usually place and the greatest harm by the parasite usually observed? In a species In an animal In a definitive hast In an intermediate host 12 The Pseudophyllidean tapeworms is a ______ non-premissive host paratentic host accidental host reservoir host 13 How does a vector differ from an intermediate host of a parasite? A vector does not actively transmits infection to a host without necessarily harbouring the asexual stage of the parasite while an intermediate host harbours the asexual forms of the parasite A vector actively transmits infection to a host and would always harbour the asexual stage of the parasite A vector actively transmits infection to a host without necessarily harbouring the asexual stage of the parasite while an intermediate host harbours the asexual forms of the parasite A vector cannot transmit infection to a host without necessarily harbouring the asexual stage of the parasite while an intermediate host harbours the asexual forms of the parasite 14 Which of the following is not a group of parasitic helminths? Cestodes a Nematodes Fungitodes Trematodes 15 Which major groups of helminths contain members that have man as their main hosts? nematodes, roundworms and tapeworms Enterobius vermicularis and Trichuris trichiuria Pinworm, Threadworm and nematodes The Digenean flukes, the tapeworms and the roundworms 16 Dracunculus medinensis is an important trematode nematode threadworm pork tapeworm 17 The ______ are the most diversified group of parasitic helminths nematodes viritodes cestodes fungitodes 18 Digenean trematodes that infect domesticated animals and also cause well known human infection include Elephantiasis and hook worm  and liver fluke Paragonimus spp and Echinostome spp Fasciola hepatica and Dicrocoelium dendriticum 19 Schistosomiasis is caused by Schistosoma sp bilharzia hook worm a cestode 20 Tapeworms are nematodes cestodes trematodes nematodes